81720782

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 152409600

約数和(自身を除く): 70688818

約数列:

[1, 2, 11, 13, 22, 26, 29, 58, 59, 118, 143, 167, 286, 319, 334, 377, 638, 649, 754, 767, 1298, 1534, 1711, 1837, 2171, 3422, 3674, 4147, 4342, 4843, 8294, 8437, 9686, 9853, 16874, 18821, 19706, 22243, 23881, 37642, 44486, 47762, 53273, 62959, 106546, 108383, 125918, 128089, 216766, 244673, 256178, 285737, 489346, 571474, 692549, 1385098, 1408979, 2817958, 3143107, 3714581, 6286214, 7429162, 40860391, 81720782]

約数ペア:

[(1, 81720782), (2, 40860391), (11, 7429162), (13, 6286214), (22, 3714581), (26, 3143107), (29, 2817958), (58, 1408979), (59, 1385098), (118, 692549), (143, 571474), (167, 489346), (286, 285737), (319, 256178), (334, 244673), (377, 216766), (638, 128089), (649, 125918), (754, 108383), (767, 106546), (1298, 62959), (1534, 53273), (1711, 47762), (1837, 44486), (2171, 37642), (3422, 23881), (3674, 22243), (4147, 19706), (4342, 18821), (4843, 16874), (8294, 9853), (8437, 9686)]